Expedite Talent Solutions
Linkedin · Posted 5d ago
Unix/Linux Administrator
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Indexed description
Key Responsibilities
- Provision and support Linux virtual machines on VMware ESXi and Linux instances in Oracle Cloud Infrastructure (OCI).
- Install, configure, patch, and maintain RHEL and Oracle Linux 8 (OL8) systems according to enterprise standards.
- Perform OS patching and lifecycle maintenance using dnf/yum, including kernel updates, validation, and rollback troubleshooting.
- Manage storage and filesystems, including LVM, XFS, mounts, and persistent /etc/fstab configurations.
- Configure and troubleshoot system networking, DNS resolution, hostnames, and TCP/IP port connectivity.
- Administer users, groups, permissions, SSH key based access, and privilege controls.
- Troubleshoot OS level issues involving boot processes, systemd services, performance, disk usage, and networking.
- Provide OS level support for applications, including working knowledge of Apache Tomcat (startup/shutdown, logs, ports, JVM options, TLS configuration).
- Configure, manage, and troubleshoot cron jobs for system and application scheduling tasks.
- Maintain system security posture, including SELinux, vulnerability remediation, and audit readiness.
- Perform routine Linux administration, documentation, and basic automation using shell scripting.
- Preferred: Exposure to containerized environments and working knowledge of Kubernetes concepts (pods, services, basic troubleshooting).
- General knowledge of Service now, inventory submissions and routine documentation, checklists ect.
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